Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756609Ab0BXMUi (ORCPT ); Wed, 24 Feb 2010 07:20:38 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:50061 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756449Ab0BXMUf convert rfc822-to-8bit (ORCPT ); Wed, 24 Feb 2010 07:20:35 -0500 From: "Chatterjee, Amit" To: LKML , rt-users Date: Wed, 24 Feb 2010 17:50:28 +0530 Subject: 2.6.33-rc8-rt1 on Beagle Thread-Topic: 2.6.33-rc8-rt1 on Beagle Thread-Index: Acq1IfhmHMd+98WrQX6gShEwr0GljQAKTvww Message-ID: <2A3DCF3DA181AD40BDE86A3150B27B6B030CDCBE65@dbde02.ent.ti.com> References: <20100222132927.GC5416@bicker> <4B84D20B.9080600@osadl.org> In-Reply-To: <4B84D20B.9080600@osadl.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2970 Lines: 55 Hi, I am facing NULL pointer deference error with beagle board. The bootargs used are - setenv bootargs 'console=ttyS2,115200n8 root=/dev/mmcblk0p2 rootwait rootfstype=ext3 omapfb.mode=dvi:800x600MR-24@60 omapdss.def_disp=dvi omapfb.vram=0:8M,1:2M,2:4M mem=216M' setenv bootcmd 'mmc init;fatload mmc 0 0x80200000 uImage;bootm 0x80200000' The crash log is as follows - Waiting for root device /dev/mmcblk0p2... Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: Oops: 805 [#1] PREEMPT last sysfs file: Modules linked in: CPU: 0 Not tainted (2.6.33-rc8-rt1 #3) PC is at rt_spin_lock_slowlock+0x64/0x220 LR is at rt_spin_lock_slowlock+0x24/0x220 pc : [] lr : [] psr: 60000093 sp : cd1a1ed8 ip : cd1a1f08 fp : 00000053 r10: cd3bc664 r9 : c039c8c4 r8 : cd3bc400 r7 : cd1a0000 r6 : cd3bc664 r5 : 60000013 r4 : cd3bc664 r3 : 00000000 r2 : cd3fb480 r1 : 00000000 r0 : cd1a1ed8 Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel Control: 10c5387d Table: 80004019 DAC: 00000017 Process irq/83-mmc0 (pid: 355, stack limit = 0xcd1a02e8) Stack: (0xcd1a1ed8 to 0xcd1a2000) 1ec0: 00000001 00000006 1ee0: cd070040 c0397f48 00000001 cd3fb480 ffffffff 00000002 cd3bc664 60000013 1f00: 00000000 cd1a0000 00000000 c029f9f0 00000000 cd3bc600 cd0c3ef4 cd3bc664 1f20: 00000000 cd3bc400 cd3bc664 c0213850 cd0c2000 cd0c201c cd3fb480 00000017 1f40: 00000000 cd3bc600 00000000 00018000 00000001 00000000 cd3bc664 c020bb94 1f60: cd0c3f24 c02145fc c039c880 cd3d07c0 cd1a0000 cd3d07e4 08000000 c039c8c4 1f80: c039c8dc c00768e8 cd3d07c0 00000032 cd1a1f88 cd021e58 cd1a1fbc c0076828 1fa0: cd3d07c0 00000000 00000000 00000000 00000000 c0060ae8 00000000 00000000 1fc0: cd1a1fc0 cd1a1fc0 cd1a1fc8 cd1a1fc8 00000000 00000000 cd1a1fd8 cd1a1fd8 1fe0: 00000000 00000000 00000000 00000000 00000000 c0028ec4 107fcd00 0a33ef94 [] (rt_spin_lock_slowlock+0x64/0x220) from [] (omap_hsmmc_request+0x44/0x400) [] (omap_hsmmc_request+0x44/0x400) from [] (mmc_request_done+0x64/0x90) [] (mmc_request_done+0x64/0x90) from [] (omap_hsmmc_irq+0x364/0x46c) [] (omap_hsmmc_irq+0x364/0x46c) from [] (irq_thread+0xc0/0x208) [] (irq_thread+0xc0/0x208) from [] (kthread+0x78/0x80) [] (kthread+0x78/0x80) from [] (kernel_thread_exit+0x0/0x8) Code: e597300c e1520003 1a000002 e3a03000 (e5833000) ---[ end trace ce701f5d04d4ac19 ]--- exiting task "irq/83-mmc0" (355) is an active IRQ thread (irq 83) note: irq/83-mmc0[355] exited with preempt_count 1 Regards, Amit -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/